Bone beds

Chasmosaurus remains have been discovered in so-called bone beds - areas where lots of bodies of the same species of dinosaur have been found. This evidence helps to support the theory that Chasmosaurus lives in large family groups.

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A flash flood in New Mexico was bad news for a herd of Coelophysis but great news for palaeontologists. The dinosaurs were killed, but it gave scientists a fantastic opportunity to inspect their remains.